Austrian authorities say the case of the man who allegedly imprisoned his daughter for 24 years and fathered at least six children with her is one of the nation's worst-ever crimes.

An Austrian man has confessed to holding his daughter captive in a “house of horrors” for 24 years and fathering at least six of her children, police said today.

A woman was held captive in a cellar for almost 24 years by her father, who repeatedly raped her and fathered at least six children, police said.